Polymeric Carriers for Delivery of RNA Cancer Therapeutics

Sofía Mirón-Barroso1, Joana S Correia2, Adam E Frampton1,3

  • 1Department of Surgery and Cancer, Imperial College, London W12 0HS, UK.

Non-Coding RNA
|August 25, 2022
PubMed

Insights

RNA therapeutics offer a promising avenue for cancer treatment by targeting previously undruggable proteins. Overcoming delivery challenges is key to advancing these novel RNA cancer therapies into clinical practice.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Targeted cancer therapies, including small molecule kinase inhibitors, face limitations due to the small fraction of the genome encoding proteins with druggable binding sites.
  • RNA therapeutics have emerged as a promising alternative, offering broader target accessibility and advantages in manufacturing speed and cost-effectiveness compared to traditional therapies.
  • The potential for rapid chemical synthesis and modification of RNA therapeutics supports personalized cancer treatment strategies.

Purpose of the Study:

  • To review current strategies for overcoming the challenges associated with RNA therapeutic delivery systems.
  • To explore the potential of RNA therapeutics in oncology and their path toward clinical application.

Main Methods:

  • Literature review of current research on RNA therapeutics in cancer.
  • Analysis of existing delivery system strategies and their efficacy.
  • Discussion of challenges and future directions for clinical translation.

Main Results:

  • Small molecules can only target a limited number of proteins, highlighting the need for alternative therapeutic modalities.
  • RNA therapeutics can address a wider range of targets and offer faster, more cost-effective production.
  • Significant hurdles remain in developing safe and effective delivery systems for RNA therapeutics in cancer treatment.

Conclusions:

  • Despite their potential, the clinical translation of RNA therapeutics in oncology is hindered by the lack of robust delivery systems.
  • Addressing delivery challenges is crucial for realizing the full clinical utility of RNA-based cancer therapies.

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